Skip banner and navigation tools.

 |  site map

SVOM trigger sb25041603
Source 1 (SWIFT J121539.6+523907)

Image of the XRT detection

This source is detected in 1 block. Show all images.

Image of the LC

Spectrum

Image of the spectrum

Enhanced position

Image of the UVOT image
Source details
Rank/Classification: 4: Known X-ray Source
RA (J2000):12h 15m 39.68s (= 183.91534°)
Dec (J2000):+52° 39′ 08.1″ (= +52.6523°)
Error (radius, 90%):2.6″ (enhanced position)
Detection flag:Good
XRT exposure:1669 s (vignetting corrected)
Peak rate:0.61 (±0.14) ct s-1
Peak flux:2.6 (±0.6) ×10-11 erg cm-2 s-1
Mean rate:0.347 (±0.021) ct s-1
Mean flux:1.49 (±0.09) ×10-11 erg cm-2 s-1
The source is fading with 2.1-σ significance
Has spectral fit?Yes
NH 2.00 × 1021 cm-2
Γ 3.12
Database ID:331
Things to check:
Optical Loading: No warning (automatic)
Stray Light: No warning (automatic)
Extended Emission: No warning (automatic)
Catalogue information
Known X-ray emitter?Yes - LSXPS J121539.2+523907
Cat. rate1:0.257 (±0.027) ct s-1
Cat. flux2:5.7 (±0.6) ×10-12 erg cm-2 s-1
Observed/Cat. flux2.5 σ
Fading? ≤3-σ signifance.
Near 2MASS source? Yes, 1 match. Show details.
Near SIMBAD source?Yes - StKM 2-809 is 3.4″ away.
High proper motion star?Yes. StKM 2-809
Catalogue SearchCone search radius 7″ Vizier | Simbad | NED | X-ray master | LSXPS | 3XMM-DR5

Notes
All XRT count rates and fluxes are 0.3—10 keV
1Catalogued count-rates have been converted to XRT equivalents.
2Catalogued upper limits and fluxes have been converted to the XRT equivalent using the automatic power-law spectral fit described above.

2MASS objects near the source

ID Position Offset from
XRT source		 J H K